| 1 | This patch from Sami Farin lets you specify --fsync if you want fsync() |
| 2 | to be called on every file we write. |
| 3 | |
| 4 | --- options.c 6 May 2004 21:08:01 -0000 1.148 |
| 5 | +++ options.c 21 May 2004 08:59:11 -0000 |
| 6 | @@ -37,6 +37,7 @@ int make_backups = 0; |
| 7 | **/ |
| 8 | int whole_file = -1; |
| 9 | |
| 10 | +int do_fsync = 0; |
| 11 | int archive_mode = 0; |
| 12 | int copy_links = 0; |
| 13 | int preserve_links = 0; |
| 14 | @@ -230,6 +231,7 @@ void usage(enum logcode F) |
| 15 | rprintf(F," -b, --backup make backups (see --suffix & --backup-dir)\n"); |
| 16 | rprintf(F," --backup-dir make backups into this directory\n"); |
| 17 | rprintf(F," --suffix=SUFFIX backup suffix (default %s w/o --backup-dir)\n",BACKUP_SUFFIX); |
| 18 | + rprintf(F," --fsync fsync every written file\n"); |
| 19 | rprintf(F," -u, --update update only (don't overwrite newer files)\n"); |
| 20 | rprintf(F," -l, --links copy symlinks as symlinks\n"); |
| 21 | rprintf(F," -L, --copy-links copy the referent of all symlinks\n"); |
| 22 | @@ -332,6 +334,7 @@ static struct poptOption long_options[] |
| 23 | {"safe-links", 0, POPT_ARG_NONE, &safe_symlinks, 0, 0, 0 }, |
| 24 | {"help", 'h', POPT_ARG_NONE, 0, 'h', 0, 0 }, |
| 25 | {"backup", 'b', POPT_ARG_NONE, &make_backups, 0, 0, 0 }, |
| 26 | + {"fsync", 0, POPT_ARG_NONE, &do_fsync, 0, 0, 0 }, |
| 27 | {"dry-run", 'n', POPT_ARG_NONE, &dry_run, 0, 0, 0 }, |
| 28 | {"sparse", 'S', POPT_ARG_NONE, &sparse_files, 0, 0, 0 }, |
| 29 | {"cvs-exclude", 'C', POPT_ARG_NONE, &cvs_exclude, 0, 0, 0 }, |
| 30 | @@ -944,6 +947,9 @@ void server_options(char **args,int *arg |
| 31 | args[ac++] = tmpdir; |
| 32 | } |
| 33 | |
| 34 | + if (do_fsync && am_sender) |
| 35 | + args[ac++] = "--fsync"; |
| 36 | + |
| 37 | if (compare_dest && am_sender) { |
| 38 | /* the server only needs this option if it is not the sender, |
| 39 | * and it may be an older version that doesn't know this |
| 40 | --- receiver.c 21 May 2004 08:27:04 -0000 1.79 |
| 41 | +++ receiver.c 21 May 2004 08:59:11 -0000 |
| 42 | @@ -47,6 +47,7 @@ extern int ignore_errors; |
| 43 | extern int orig_umask; |
| 44 | extern int keep_partial; |
| 45 | extern int checksum_seed; |
| 46 | +extern int do_fsync; |
| 47 | |
| 48 | static void delete_one(char *fn, int is_dir) |
| 49 | { |
| 50 | @@ -271,6 +272,12 @@ static int receive_data(int f_in,struct |
| 51 | exit_cleanup(RERR_FILEIO); |
| 52 | } |
| 53 | |
| 54 | + if (do_fsync && (fd != -1) && (fsync(fd) != 0)) { |
| 55 | + rsyserr(FERROR, errno, "fsync failed on %s", |
| 56 | + full_fname(fname)); |
| 57 | + exit_cleanup(RERR_FILEIO); |
| 58 | + } |
| 59 | + |
| 60 | sum_end(file_sum1); |
| 61 | |
| 62 | read_buf(f_in,file_sum2,MD4_SUM_LENGTH); |
| 63 | --- util.c 21 May 2004 08:40:25 -0000 1.144 |
| 64 | +++ util.c 21 May 2004 08:59:11 -0000 |
| 65 | @@ -32,6 +32,7 @@ extern int dry_run; |
| 66 | extern int module_id; |
| 67 | extern int modify_window; |
| 68 | extern struct exclude_list_struct server_exclude_list; |
| 69 | +extern int do_fsync; |
| 70 | |
| 71 | int sanitize_paths = 0; |
| 72 | |
| 73 | @@ -297,6 +298,12 @@ int copy_file(char *source, char *dest, |
| 74 | return -1; |
| 75 | } |
| 76 | |
| 77 | + if (do_fsync && fsync(ofd) < 0) { |
| 78 | + rsyserr(FERROR, errno, "fsync failed on %s", |
| 79 | + full_fname(dest)); |
| 80 | + return -1; |
| 81 | + } |
| 82 | + |
| 83 | return 0; |
| 84 | } |
| 85 | |